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  2. Junctional rhythm - Wikipedia

    en.wikipedia.org/wiki/Junctional_rhythm

    The first finding is that junctional rhythms are regular rhythms. This means that the time interval between beats stays constant. The next normal finding is a normal QRS. Since the impulse still travels down the bundle of His, the QRS will not be wide. Junctional rhythms can present with either bradycardia, a normal heart rate, or tachycardia. [9]

  3. Supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Supraventricular_tachycardia

    A normal resting heart rate is 60 to 100 beats per minute. A resting heart rate of more than 100 beats per minute is defined as a tachycardia. During an episode of SVT, the heart beats about 150 to 220 times per minute. [9] Specific treatment depends on the type of SVT [5] and can include medications, medical procedures, or surgery. [5]

  4. Paroxysmal supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Paroxysmal_supra...

    It does not involve making large incisions or opening up the chest cavity. Instead, it is performed using thin catheters that are inserted through blood vessels and guided to the heart. The catheter delivers radiofrequency energy to specific areas of the heart to disrupt abnormal electrical pathways causing arrhythmias.

  5. Pulsus alternans - Wikipedia

    en.wikipedia.org/wiki/Pulsus_alternans

    Pulsus alternans is a physical finding with arterial pulse waveform showing alternating strong and weak beats. [1] It is almost always indicative of left ventricular systolic impairment , and carries a poor prognosis.

  6. Atrial flutter - Wikipedia

    en.wikipedia.org/wiki/Atrial_flutter

    Atrial flutter is characterized by a sudden-onset (usually) regular abnormal heart rhythm on an electrocardiogram (ECG) in which the heart rate is fast. Symptoms may include a feeling of the heart beating too fast, too hard, or skipping beats, chest discomfort, difficulty breathing, a feeling as if one's stomach has dropped, a feeling of being ...

  7. Dizziness vs. vertigo: What the difference is and why it matters

    www.aol.com/lifestyle/dizziness-vs-vertigo...

    These conditions have some similar — and dangerous — symptoms. But dizziness and vertigo are not the same thing. ... ear that controls balance. (This is the nerve between the inner ear and the ...

  8. Arrhythmia - Wikipedia

    en.wikipedia.org/wiki/Arrhythmia

    Symptoms, when present, may include palpitations or feeling a pause between heartbeats. [1] In more serious cases, there may be lightheadedness, passing out, shortness of breath, chest pain, or decreased level of consciousness. [1] While most cases of arrhythmia are not serious, some predispose a person to complications such as stroke or heart ...

  9. Cardiac rhythmicity - Wikipedia

    en.wikipedia.org/wiki/Cardiac_rhythmicity

    Cardiac rhythmicity is the spontaneous depolarization and repolarization event that occurs in a repetitive and stable manner within the cardiac muscle. Rhythmicity is often abnormal or lost in cases of cardiac dysfunction or cardiac failure.

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